Oracle 9i与10g中plan_table的不同-体系架构-Oracle频道-中国IT实验室

 SQL> select * from v$version;

BANNER
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Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Prod
PL/SQL Release 10.2.0.2.0 - Production
CORE 10.2.0.2.0 Production
TNS for Solaris: Version 10.2.0.2.0 - Production
NLSRTL Version 10.2.0.2.0 - Production

SQL> set autotrace on explain
SQL> select * from plan_table;

no rows selected

Execution Plan
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Plan hash value: 103984305

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-

| Id | Operation | Name | Rows | Bytes | Cost (%CPU)| Time
|

----------------------------------------------------------
-

| 0 | SELECT STATEMENT | | 1 | 11081 | 2 (0)| 00:00:01
|

| 1 | TABLE ACCESS FULL| PLAN_TABLE$ | 1 | 11081 | 2 (0)| 00:00:01
|

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-

Note
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- dynamic sampling used for this statement

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